Premium Multi-Purpose Luthier Hardware Set Whether you are mounting a violin chinrest, installing a mandolin or guitar armrest, or attaching a custom instrument microphone bracket, this Set of 5 Premium 27mm Silver U-Clamps provides the rock-solid stability and precision adjustment you need.
Manufactured by Aruj Musical, these hardware clamps feature a highly polished silver finish over a durable alloy core, engineered to withstand regular tension adjustment without stripping threads or flexing. Each clamp comes pre-fitted with a protective cork-lining strip to distribute pressure evenly and safely shield your instrument's delicate varnish and wood ribs from scratches.
Barrel Length: 27mm
Clamp Type: U-Shaped Bracket / Hill Style Single-Barrel
Color/Finish: Polished Silver Nickel-Plating
Pack Size: Set of 5 Complete Clamps
Adjustment Tool: Includes 1x Dedicated Allen Key / Adjusting Key per pack
Protection: Integrated genuine cork cushioning strip
This standard 27mm barrel height is ideal for a wide range of instrument workshop upgrades and modifications, including:
Violin Fittings: Universal replacement clamps for standard 4/4 and 3/4 size violin chinrests.
Acoustic & Folk Instrument Armrests: Perfect anchoring hardware for custom Mandolin, Banjo, and Acoustic Guitar wood armrests.
On-Instrument Microphone & Pickup Brackets: Safely secures clamp-on gooseneck mics and preamp units to the outer body ribs without drilling holes.
✅ COMPLETE VALUE 5-PACK: Keeps your workshop workbench fully stocked. Perfect for professional luthiers, instrument repair shops, or musicians managing multiple setups.
✅ EFFORTLESS ALLEN KEY ADJUSTMENT: No more struggling with old-fashioned, slipping chinrest pins. The modern internal hex-socket head allows you to quickly tighten or loosen each barrel to the exact safe pressure using the included Allen key.
✅ INSTRUMENT-SAFE CORK LINING: Heavy-duty, high-density cork backing acts as a soft protective barrier, maintaining a slip-free grip on the ribs while eliminating the risk of crushing fine instrument finishes.
✅ RUST & WEAR RESISTANT: The high-purity silver plating looks beautiful alongside traditional or modern instrument components and holds its clean shine against corrosive hand sweat and humidity.